Oops notes

Set image in frame..... 

 import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

class Test{

public static void main(String[] args) {

    JFrame frame = new JFrame("Gym Management System");

    frame.setSize(500, 410);

    frame.setResizable(false);

    frame.setLocationRelativeTo(null);

    frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE); 

    

    JPanel panel = new JPanel();

    panel.setSize(500, 410);

    frame.add(panel);

    

    ImageIcon ic = new ImageIcon("C:\\Users\\user\\Downloads\\Gym app.jpg");

ImageIcon resizeImage = resize(ic, 500, 410);

JLabel jimage = new JLabel(resizeImage);

panel.add(jimage);

    frame.setVisible(true);

}

        

private static ImageIcon resize(ImageIcon im, int w, int h) {

BufferedImage bi = new BufferedImage(w, h, BufferedImage.TRANSLUCENT);

Graphics2D gd = (Graphics2D) bi.createGraphics();

gd.addRenderingHints(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));

gd.drawImage(im.getImage(), 0, 0, w, h, null);

gd.dispose();

return new ImageIcon(bi);

}

}